12718980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3719}}^1$

素因数の和:3753

約数の個数: 72

約数和(自身を含む): 40622400

約数和(自身を除く): 27903420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3719, 7438, 11157, 14876, 18595, 22314, 33471, 37190, 44628, 55785, 66942, 70661, 74380, 111570, 133884, 141322, 167355, 211983, 223140, 282644, 334710, 353305, 423966, 635949, 669420, 706610, 847932, 1059915, 1271898, 1413220, 2119830, 2543796, 3179745, 4239660, 6359490, 12718980]

約数ペア:

[(1, 12718980), (2, 6359490), (3, 4239660), (4, 3179745), (5, 2543796), (6, 2119830), (9, 1413220), (10, 1271898), (12, 1059915), (15, 847932), (18, 706610), (19, 669420), (20, 635949), (30, 423966), (36, 353305), (38, 334710), (45, 282644), (57, 223140), (60, 211983), (76, 167355), (90, 141322), (95, 133884), (114, 111570), (171, 74380), (180, 70661), (190, 66942), (228, 55785), (285, 44628), (342, 37190), (380, 33471), (570, 22314), (684, 18595), (855, 14876), (1140, 11157), (1710, 7438), (3420, 3719)]